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Mingyu Chen 67b842ce04 [License] Organize and modify the license of the code (#4371 )

1. Disable the MySQL client and LZO library by default when building the Doris.

    MySQL client library is used for MySQL external table feature.
    This feature will be replaced by the new ODBC external table soon.

    LZO library is used to compress/decompress data of some old data format of Doris,
    which is no longer used anymore.

2. Add missing license to some files.

3. For all non-Apache-License code, all are explained in NOTICE file and the corresponding license is declared.

4. Remove the js source code from webroot, it will be downloaded as thirdparty

2020-08-24 21:51:55 +08:00

4.8 KiB

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title, language

title	language
Compilation	en

Compilation

This document focuses on how to code Doris through source code.

Developing mirror compilation using Docker (recommended)

Use off-the-shelf mirrors

Download Docker Mirror

$ docker pull apachedoris/doris-dev:build-env

Check mirror download completed:

$ docker images
REPOSITORY              TAG                 IMAGE ID            CREATED             SIZE
apachedoris/doris-dev   build-env           f8bc5d4024e0        21 hours ago        3.28GB

Note: For different versions of Oris, you need to download the corresponding mirror version.

image version	commit id	release version
apachedoris/doris-dev:build-env	before ff0dd0d	0.8.x, 0.9.x
apachedoris/doris-dev:build-env-1.1	ff0dd0d or later	0.10.x or later

Running Mirror

$ docker run -it apachedoris/doris-dev:build-env

If you want to compile the local Doris source code, you can mount the path:

$ docker run -it -v /your/local/incubator-doris-DORIS-x.x.x-release/:/root/incubator-doris-DORIS-x.x.x-release/ apachedoris/doris-dev:build-env

Download source code

After starting the mirror, you should be in the container. The Doris source code can be downloaded from the following command (local source directory mounted is not required):
```
$ wget https://dist.apache.org/repos/dist/dev/incubator/doris/xxx.tar.gz
or
$ git clone https://github.com/apache/incubator-doris.git
```
Compile Doris
```
$ sh build.sh
```
After compilation, the output file is in the output/ directory.

Self-compiling Development Environment Mirror

You can also create a Doris development environment mirror yourself, referring specifically to the `docker/README.md'file.

Direct Compilation (CentOS/Ubuntu)

You can try to compile Doris directly in your own Linux environment.

System Dependence

GCC 5.3.1+, Oracle JDK 1.8+, Python 2.7+, Apache Maven 3.5+, CMake 3.11+

If you are using Ubuntu 16.04 or newer, you can use the following command to install the dependencies

sudo apt-get install build-essential openjdk-8-jdk maven cmake byacc flex automake libtool-bin bison binutils-dev libiberty-dev zip unzip libncurses5-dev

After installation, set environment variables PATH, JAVA_HOME, etc.
Compile Doris
```
$ sh build.sh
```
After compilation, the output file is in the output/ directory.

Special statement

Starting from version 0.13, the dependency on the two third-party libraries [1] and [2] will be removed in the default compiled output. These two third-party libraries are under GNU General Public License V3. This license is incompatible with Apache License 2.0, so it should not appear in the Apache release by default.

Remove library [1] will result in the inability to access MySQL external tables. The feature of accessing MySQL external tables will be implemented through UnixODBC in future release version.

Remove library [2] will cause some data written in earlier versions (before version 0.8) to be unable to read. Because the data in the earlier version was compressed using the LZO algorithm, in later versions, it has been changed to the LZ4 compression algorithm. We will provide tools to detect and convert this part of the data in the future.

If required, users can continue to use these two dependent libraries. If you want to use it, you need to add the following options when compiling:

WITH_MYSQL=1 WITH_LZO=1 sh build.sh

Note that when users rely on these two third-party libraries, Doris is not used under the Apache License 2.0 by default. Please pay attention to the GPL related agreements.

[1] mysql-5.7.18
[2] lzo-2.10

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